<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<div id=""></div>
		<script>
			 (function(w){
			 	 var itcast={
			 	 	on:function(){
			 	 		console.info("测试");
			 	 	}
			 	 	
			 	 }
			 	
			 	w.$$=itcast;
			 })(window);
			 
			 $$.on();
			
			
			
			
			
		</script>
		
	</body>
</html>
